the intercourse of a human or animal to make babies
Answer:
a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.
Explanation:
Capillaries have thin walls, only one cell thick, that allow them to effectively perform their function.
U·ni·cel·lu·laradjective
BIOLOGY(of protozoans, certain algae and spores, etc.) consisting of a single cell.(of an evolutionary or developmental stage) characterized by the formation or presence of a single cell or cells.
Hope this helps!
The correct answer is B. Natural selection occurs through generations and is in which organisms best suited to their environment survive.
